[Spridgets] Re question (Hal)

[fastvee]

In the early 80's H Production 948 engines had to retain the single row timing
chain, and I  learned how quickly they wore out. On the first engine I used
one for 5 races before investigating why it felt flat and ultimately found the
cam timing retarded 2-3 degrees from where we set it on the dyno.  Later we
could upgrade to the double row chain which lasted longer.
John
Fogelsville, PA

--- On Fri, 1/22/10, jjj at acsnet.com <jjj at acsnet.com> wrote:

From: jjj at acsnet.com <jjj at acsnet.com>
Subject: [Spridgets] Re  question (Hal)
To: spridgets at autox.team.net
Date: Friday, January 22, 2010, 12:27 AM

As a fan of L series Datsun engine's I can attest to the fact that timing
chain stretch on a overhead cam engine will significantly affect
perfomance. Datsun had a system to easily reindex the cam to compensate
for chain stretch and doing so could easily be felt in the "seat of the
pants".
 Kurt.
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